FR52543E - Process for the production of superior steels - Google Patents

Process for the production of superior steels

Info

Publication number
FR52543E
FR52543E FR52543DA FR52543E FR 52543 E FR52543 E FR 52543E FR 52543D A FR52543D A FR 52543DA FR 52543 E FR52543 E FR 52543E
Authority
FR
France
Prior art keywords
steels
superior
production
superior steels
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
OBERHUTTEN VEREINIGTE OBERSCHL
Original Assignee
OBERHUTTEN VEREINIGTE OBERSCHL
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by OBERHUTTEN VEREINIGTE OBERSCHL filed Critical OBERHUTTEN VEREINIGTE OBERSCHL
Application granted granted Critical
Publication of FR52543E publication Critical patent/FR52543E/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/02—Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/34—Methods of heating
    • C21D1/40—Direct resistance heating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
FR52543D 1942-09-29 1942-09-29 Process for the production of superior steels Expired FR52543E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR52543T 1942-09-29

Publications (1)

Publication Number Publication Date
FR52543E true FR52543E (en) 1945-04-17

Family

ID=8687193

Family Applications (1)

Application Number Title Priority Date Filing Date
FR52543D Expired FR52543E (en) 1942-09-29 1942-09-29 Process for the production of superior steels

Country Status (1)

Country Link
FR (1) FR52543E (en)

Similar Documents

Publication Publication Date Title
FR977112A (en) Process and apparatus for the manufacture of a phospho-nitrogen fertilizer
FR976959A (en) Process for the production of formylamino-beta-propionic nitrile
FR890760A (en) Production process for ethers-salts
FR977099A (en) Process for the production of cyclohexanonoxime
CH265194A (en) Process for the manufacture of B-monohydroxycarboxylic acids.
FR879785A (en) Process for the production of hexachlorobutadiene
CH282292A (en) Process for the manufacture of a refractory product.
FR52543E (en) Process for the production of superior steels
FR52575E (en) Process for the production of superior steels
FR52576E (en) Process for the production of superior steels
FR52577E (en) Process for the production of superior steels
FR52578E (en) Process for the production of superior steels
FR893864A (en) Process for the manufacture of emulsions of the so-called type
FR1013948A (en) Process for the production of fluorinated alkylene
FR899746A (en) Process for the production of silicates
FR903685A (en) Process for preparing oxymethyl-vinyl-ketone
FR52611E (en) Process for the production of superior steels
FR919256A (en) Process for the manufacture of construction elements
FR892928A (en) Process for improving the water stability of superpolyamides
FR906406A (en) Process for the manufacture of 1, 3 dimethyl-4-imino-2, 6-dioxypyrimidine
FR896209A (en) Production process for halo-alkylamines
FR903287A (en) Process for the manufacture of shoes and shoes obtained by this process
FR890167A (en) Process for the manufacture of thermobimetals
FR52559E (en) Process for the production of hydrogen peroxide
FR882477A (en) Process for the manufacture of agglomerates